Did you know John Lithgow has New Jersey ties? Here's who is playing what character on HBO's 'Harry Potter' series and when you can watch the show.

Several famous faces will be heading to Hogwarts in HBO’s upcoming Harry Potter TV show. Nearly two years after the series was first announced, John Lithgow confirmed the rumor that he would portray Albus Dumbledore in the small-screen adaptation of J.

With the cinematic gravy train having reached the end of the line years ago (well, "Fantastic Beasts" was more of a derailing, but we digress), the world of "Harry Potter" is coming to television. HBO is bringing us a television adaptation of the book series that is being described as "faithful.